7901997824

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 18437207040

約数和(自身を除く): 10535209216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 173, 224, 256, 284, 346, 359, 448, 497, 568, 692, 718, 896, 994, 1136, 1211, 1384, 1436, 1792, 1988, 2272, 2422, 2513, 2768, 2872, 3976, 4544, 4844, 5026, 5536, 5744, 7952, 9088, 9688, 10052, 11072, 11488, 12283, 15904, 18176, 19376, 20104, 22144, 22976, 24566, 25489, 31808, 38752, 40208, 44288, 45952, 49132, 50978, 62107, 63616, 77504, 80416, 85981, 91904, 98264, 101956, 124214, 127232, 155008, 160832, 171962, 178423, 196528, 203912, 248428, 310016, 321664, 343924, 356846, 393056, 407824, 434749, 496856, 643328, 687848, 713692, 786112, 815648, 869498, 993712, 1375696, 1427384, 1572224, 1631296, 1738996, 1987424, 2751392, 2854768, 3144448, 3262592, 3477992, 3974848, 4409597, 5502784, 5709536, 6525184, 6955984, 7949696, 8819194, 11005568, 11419072, 13911968, 15899392, 17638388, 22011136, 22838144, 27823936, 30867179, 35276776, 45676288, 55647872, 61734358, 70553552, 111295744, 123468716, 141107104, 246937432, 282214208, 493874864, 564428416, 987749728, 1128856832, 1975499456, 3950998912, 7901997824]

約数ペア:

[(1, 7901997824), (2, 3950998912), (4, 1975499456), (7, 1128856832), (8, 987749728), (14, 564428416), (16, 493874864), (28, 282214208), (32, 246937432), (56, 141107104), (64, 123468716), (71, 111295744), (112, 70553552), (128, 61734358), (142, 55647872), (173, 45676288), (224, 35276776), (256, 30867179), (284, 27823936), (346, 22838144), (359, 22011136), (448, 17638388), (497, 15899392), (568, 13911968), (692, 11419072), (718, 11005568), (896, 8819194), (994, 7949696), (1136, 6955984), (1211, 6525184), (1384, 5709536), (1436, 5502784), (1792, 4409597), (1988, 3974848), (2272, 3477992), (2422, 3262592), (2513, 3144448), (2768, 2854768), (2872, 2751392), (3976, 1987424), (4544, 1738996), (4844, 1631296), (5026, 1572224), (5536, 1427384), (5744, 1375696), (7952, 993712), (9088, 869498), (9688, 815648), (10052, 786112), (11072, 713692), (11488, 687848), (12283, 643328), (15904, 496856), (18176, 434749), (19376, 407824), (20104, 393056), (22144, 356846), (22976, 343924), (24566, 321664), (25489, 310016), (31808, 248428), (38752, 203912), (40208, 196528), (44288, 178423), (45952, 171962), (49132, 160832), (50978, 155008), (62107, 127232), (63616, 124214), (77504, 101956), (80416, 98264), (85981, 91904)]